水稻籽粒中镉的来源
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喻华, 上官宇先, 涂仕华, 秦鱼生, 陈琨, 陈道全, 刘前聪
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Sources of Cadmium Accumulated in Rice Grain
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Hua YU, YuXian SHANGGUAN, ShiHua TU, YuSheng QIN, Kun CHEN, DaoQuan CHEN, QianCong LIU
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| 表3 水稻齐穗-成熟期其他器官中Cd的分布 |
| Table 3 Cd distribution in the other plant parts of rice from fully heading to mature stage |
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处理
Treatment | 茎秆镉 Cd in culm | 叶片镉 Cd in leaf | 谷壳镉 Cd in chaff | 根部镉 Cd in root | 浓度
Content
(mg·kg-1) | 累积量
Accumulation
(μg/plant) | 浓度
Content
(mg·kg-1) | 累积量
Accumulation
(μg/plant) | 浓度
Content
(mg·kg-1) | 累积量
Accumulation
(μg/plant) | 浓度
Content
(mg·kg-1) | 累积量
Accumulation
(μg/plant) | | 田间样Field sample | | 齐穗期 Full heading stage | 0.2875c | 10.32c | 0.0912c | 1.41c | 0.0812c | 0.73bc | 3.2637b | 21.05b | | 灌浆期Milk stage | 0.5260c | 16.83c | 0.0834c | 1.14c | 0.0731c | 0.60bcd | 3.2951b | 20.85b | | 腊熟期Dough stage | 0.5686c | 16.09c | 0.0835c | 1.13c | 0.0425de | 0.37cd | 3.2845b | 20.39b | | 成熟期Mature stage | 0.6583c | 18.45c | 0.0791c | 0.97c | 0.0275e | 0.25d | 3.9529b | 22.18b | | 水培样(成熟期) Hydroponics sample (Mature stage) | | Cd 0 | 0.5040c | 13.27c | 0.3108c | 4.95c | 0.0584cd | 0.48cd | 0.8034b | 6.88b | | Cd 0.2 | 7.5569b | 182.02b | 1.8003b | 27.23b | 0.1103b | 0.87b | 25.6589a | 203.16a | | Cd 0.5 | 13.7115a | 337.09a | 4.3433a | 61.56a | 0.1756a | 1.39a | 28.9305a | 211.05a |
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